abartlet at pcug.org.au
Sat Jan 26 23:20:02 GMT 2002
Michael Still wrote:
> On Sun, 27 Jan 2002, Andrew Bartlett wrote:
> > Snapshotting seems to be the traditional method. It think the idea is
> > that tdb is sufficiently small that keeping it statically linked is not
> > too large a burden. I know its just in the 'tdb' subdir of Samba HEAD,
> > Samba 2.2 and Samba TNG.
> Cool. Done.
> > I think this is an offer that will be taken up, but you will have to
> > find somebody who works on tdb (I don't).
> Can I have a hint?
See who replies to this e-mail...
> > A memory mapped file is not sufficiently cached? By doing it this way
> > the underlying OS should have slight chance of getting it cached.
> I am not aware of memory mapped files in tdb. The most recent version of
> the code I had until the other day was like a year old, so perhaps it is
> newer than that. I can't find in my quick reading of the code a reference
> to it in tdb_open().
TDB is mmaped by default. It can be truned off by an flag on open, as
it is on some 'blacklisted' OSs. See tdb/tdbutil.c
> I would love to be able to open a memory only tdb. Can I have a hint?
More information about the samba-technical